“primary standards of national defense”的概念、定义、翻译、参考文献-科学参考

单词	primary standards of national defense
释义	primary standards of national defense Encyclopedia 工学（计量）释 primary standards of national defense国防最高计量标准在国防军工系统中具有最高计量特性，由国家国防科技工业计量主管部门考核合格并授权在国防军工系统中进行量值传递的测量标准。
随便看	test of a hypothesis test of a hypothesis against an alternative test of a linear hypothesis test of brake performance test of Chinese character writing test of cleanroom test of congruency test of constancy test of convergence test of dispersion test of divergence test of divisibility Test of English as a Foreign Language Test of English for International Communication test of general relativity test of goodness of fit test of goodness-of-fit test of goodness of fit problem test of homogeneity test of independence test of level α test of linearity test of location test of normality test of parallelism

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。